-10-в+23,5-40,4=-10-в-16,9=-26,9-в
Y'=3
y'!=0
y(-2)=-11
y(5)=10
maxf(x)=10
minf(x)=-11
A) 5-(a-3)=5-a+3=8-a
b) 3(2m+1)+4m-7=6m+3+4m-7=10m-4
2,7 + 1,9 = 2X + 1,5
2X = 2,7 + 1,9 - 1,5
2X = 3,1
X = 1,55
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13/18X + 13 = 7/12X + 8
7/12X - 13/18X = 13 - 8
21/36X - 26/36X = 180/36
21X - 26X = 180
- 5X = 180
X = - 36